[TCP]: Abstract tp->highest_sack accessing & point to next skb

[linux-2.6] / include / net / flow.h

diff --git a/include/net/flow.h b/include/net/flow.h
index ec7eb86eb2035fa7ed44dce421b7a0579d617329..af59fa5cc1f82560360833d02d60144e32662555 100644 (file)
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -13,12 +13,12 @@
 struct flowi {
        int     oif;
        int     iif;
+       __u32   mark;
 
        union {
                struct {
-                       __u32                   daddr;
-                       __u32                   saddr;
-                       __u32                   fwmark;
+                       __be32                  daddr;
+                       __be32                  saddr;
                        __u8                    tos;
                        __u8                    scope;
                } ip4_u;
@@ -26,26 +26,23 @@ struct flowi {
                struct {
                        struct in6_addr         daddr;
                        struct in6_addr         saddr;
-                       __u32                   flowlabel;
+                       __be32                  flowlabel;
                } ip6_u;
 
                struct {
-                       __u16                   daddr;
-                       __u16                   saddr;
-                       __u32                   fwmark;
+                       __le16                  daddr;
+                       __le16                  saddr;
                        __u8                    scope;
                } dn_u;
        } nl_u;
 #define fld_dst                nl_u.dn_u.daddr
 #define fld_src                nl_u.dn_u.saddr
-#define fld_fwmark     nl_u.dn_u.fwmark
 #define fld_scope      nl_u.dn_u.scope
 #define fl6_dst                nl_u.ip6_u.daddr
 #define fl6_src                nl_u.ip6_u.saddr
 #define fl6_flowlabel  nl_u.ip6_u.flowlabel
 #define fl4_dst                nl_u.ip4_u.daddr
 #define fl4_src                nl_u.ip4_u.saddr
-#define fl4_fwmark     nl_u.ip4_u.fwmark
 #define fl4_tos                nl_u.ip4_u.tos
 #define fl4_scope      nl_u.ip4_u.scope
 
@@ -54,8 +51,8 @@ struct flowi {
 #define FLOWI_FLAG_MULTIPATHOLDROUTE 0x01
        union {
                struct {
-                       __u16   sport;
-                       __u16   dport;
+                       __be16  sport;
+                       __be16  dport;
                } ports;
 
                struct {
@@ -64,20 +61,23 @@ struct flowi {
                } icmpt;
 
                struct {
-                       __u16   sport;
-                       __u16   dport;
-                       __u8    objnum;
-                       __u8    objnamel; /* Not 16 bits since max val is 16 */
-                       __u8    objname[16]; /* Not zero terminated */
+                       __le16  sport;
+                       __le16  dport;
                } dnports;
 
-               __u32           spi;
+               __be32          spi;
+
+               struct {
+                       __u8    type;
+               } mht;
        } uli_u;
 #define fl_ip_sport    uli_u.ports.sport
 #define fl_ip_dport    uli_u.ports.dport
 #define fl_icmp_type   uli_u.icmpt.type
 #define fl_icmp_code   uli_u.icmpt.code
 #define fl_ipsec_spi   uli_u.spi
+#define fl_mh_type     uli_u.mht.type
+       __u32           secid;  /* used by xfrm; see secid.txt */
 } __attribute__((__aligned__(BITS_PER_LONG/8)));
 
 #define FLOW_DIR_IN    0
@@ -85,12 +85,18 @@ struct flowi {
 #define FLOW_DIR_FWD   2
 
 struct sock;
-typedef void (*flow_resolve_t)(struct flowi *key, u32 sk_sid, u16 family, u8 dir,
+typedef int (*flow_resolve_t)(struct flowi *key, u16 family, u8 dir,
                               void **objp, atomic_t **obj_refp);
 
-extern void *flow_cache_lookup(struct flowi *key, u32 sk_sid, u16 family, u8 dir,
+extern void *flow_cache_lookup(struct flowi *key, u16 family, u8 dir,
                               flow_resolve_t resolver);
 extern void flow_cache_flush(void);
 extern atomic_t flow_cache_genid;
 
+static inline int flow_cache_uli_match(struct flowi *fl1, struct flowi *fl2)
+{
+       return (fl1->proto == fl2->proto &&
+               !memcmp(&fl1->uli_u, &fl2->uli_u, sizeof(fl1->uli_u)));
+}
+
 #endif